Electricity Live

Great Britain’s electricity on Tuesday 4 February 2025

On Tuesday 4 February, demand averaged 36.3 GW. Renewables supplied 49%.

36.3GW AVERAGEWind18.13 GW46%Hydro0.44 GW1%Biomass3.14 GW8%Solar0.49 GW1%Gas9.64 GW25%Imports2.93 GW8%Nuclear4.23 GW11%36.3GW AVERAGE46%8%25%8%11%
Price
£113.09/MWh
Day average £113.09
Demand36.3GW
Generation 36.1Transfers 0.3
Fossil fuels25%
Renewables49%
Other26%
Carbon intensityModerate
113g/kWh
0Day average 113300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Tuesday 4 February 2025, wind supplied 46% of Great Britain’s electricity and gas 25%. Demand peaked at 43.1 GW at 18:15. Carbon intensity averaged 113 g/kWh and the price £113.09/MWh. Wind generation peaked at 19.9 GW at 11:20. Solar generation peaked at 2.1 GW at 12:30. Carbon intensity was lowest at 01:00 (80 g/kWh) and highest at 18:30 (155 g/kWh). The wholesale price ranged from £83.93/MWh at 02:00 to £150.94/MWh at 07:30. Wind made 50% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.491.3%Wind 18.1346.5%Gas 9.6424.7%Hydro 0.441.1%Biomass 3.148.0%Nuclear 4.2310.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 36.3avgGeneration 36.1avgTransfers 0.3avg
The day in figurespeaks, averages, totals
Peak demand43.1GW · 18:15
Low 26.8 · 03:50Avg 36.30–60 GW
Made in Great Britain99%of demand
Generation 36.1Transfers 0.3 GW
Net imports4GWh
In
62 Out
57
Zero-carbon share65%of generation
Nuclear 12%Hydro 1%Wind 50%Solar 1%

Transfers · Tue 4 Feb

Interconnectors and storage

On Tuesday 4 February 2025, Great Britain imported 62 GWh and exported 57 GWh through its interconnectors. The most came from Norway (33 GWh), and the most exports went to France (22 GWh).

All interconnectors

Tue 4 Feb
Imported
62GWh
Exported
57GWh
Net in
4GWh
Average net flow
0.18GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.45GWExporting

In 0.1 GWhOut 10.9 GWh

Denmark

Viking Link

Average0.66GWImporting

In 16.6 GWhOut 0.8 GWh

France

IFA · IFA2 · ElecLink

Average0.79GWExporting

In 3.1 GWhOut 22.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.70GWExporting

In 0.9 GWhOut 17.7 GWh

Netherlands

BritNed

Average0.07GWImporting

In 7.3 GWhOut 5.6 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWGenerating

Generated 8.8 GWhPumped 6.8 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.